struct RegisterA 
{
	int mark; //0 means -, 1 means +
	int A1;
	int A2;
	int A3;
	int A4;
	int A5;
};

struct RegisterB
{
	int mark; //0 means -, 1 means +
	int A1;
	int A2;
};

class MIX
{

private:
	struct RegisterA Memory[4000];
};